EN
The development of techniques used in the diagnosis and treatment of circulatory system pathologies requires detailed knowledge of coronary arteries. Blood supply to the heart is provided by the left coronary artery (a. coronaria sinistra) and the right coronary artery (a. coronaria dextra). The conventional anatomical nomenclature takes into consideration only the names of the main trunks. The nomenclature of the branches has not been unified, which leads to considerable difficulties in comparative analysis. The aim of the study was to determine the most frequent pattern of vascularization of the dog’s heart. Considering the clinical importance of coronary arteries and their branches, universal nomenclature was suggested.